Perfect for HVAC technicians looking to expand their knowledge, we cover:

• How bipolar EEVs function in HVAC applications
• The difference between stepper motor and direct drive EEVs
• Common failure points and troubleshooting methods
• Step-by-step diagnostic procedures using meters and specialized tools

Whether you’re dealing with mini-splits, VRV/VRF systems, or variable speed equipment, this guide walks you through the precise control mechanisms that make EEVs superior to traditional metering devices. Learn to properly test winding resistance, check for mechanical issues, and use tools like manual actuators and the EEVMate for effective troubleshooting.

Electronic Expansion Valve Troubleshooting tech tip by Roman Baugh and JD Kelly:
www.hvacrschool.com/electronic-expansion-valve-troubleshooting

If you would like to know more about the EEVMate and the tools available for purchase shown in this video, head on over to Tru Tech Tools: https://trutechtools.com/shop/?search_query=eevmate&tab=products&fallbackQuery=elevate